. >> we have a total of four runways at sfo. we have re-opened two of the four so we're operating limited arrivals and departures at sfo. >> here is a look at the board here at the airport. you can see earlier live, delays, cancellations, but we're seeing lots of on time. they have gotten two runways up and operational today. so it is improving here. look at the crowds. this is a pretty long line here for security so it's very crowded here, and people have been very patient, waiting for their flights that were delayed, that are now starting to get going. so this is in the international terminal. that's where we're getting our updates and where we're watching the situation. we see people waiting, taking naps, patiently waiting for their flights as the airport gets become on track. so, a long day here at the airport but people have been very patient. they've definitely had sympathy for what happened. we have not seen anyone upset or frustrated or making demanded of airport officials, who everytime they brief us are very grim and v